Chloroplast: Difference between revisions
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An [[organelle|organelle]] associated with [[photosynthetic cells|photosynthetic cells]] which are involved in production of organic [[molecules|molecules]] from [[NADPH|NADPH]] and [[ADP|ADP]]; photosynthetic products. These organelles are found in [[plants|plants]] and [[algae|algae]], and belong to the [[plastid|plastid]] family. Present in the membrane is a precursor to [[chlorophyll|chlorophyll]]; light exposure converts the precursor to the green pigment, but remains yellow in dark conditions. It is thought that chloroplasts are similar to [[mitochondria|mitochondria]] with respect to their [[evolution|evolution]]; they have both [[Endocytosis|endocytosed]] a species of bacteria and evolved symbiotically. Also, their [[ATP-synthesis|ATP-synthesis]] mechanisms are very similar with mitochondria driven by [[Respiration|respiration]] and chloroplasts driven by light <ref>Alberts, B. (2008). Energy Conversion: Mitochondria and Chloroplasts. In: Anderson, M. and Granum, S. Molecular Biology of the Cell. 5th ed. US: Garland Science. p840-p841</ref>. | |||
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Revision as of 02:31, 24 October 2014
An organelle associated with photosynthetic cells which are involved in production of organic molecules from NADPH and ADP; photosynthetic products. These organelles are found in plants and algae, and belong to the plastid family. Present in the membrane is a precursor to chlorophyll; light exposure converts the precursor to the green pigment, but remains yellow in dark conditions. It is thought that chloroplasts are similar to mitochondria with respect to their evolution; they have both endocytosed a species of bacteria and evolved symbiotically. Also, their ATP-synthesis mechanisms are very similar with mitochondria driven by respiration and chloroplasts driven by light [1].
References
- ↑ Alberts, B. (2008). Energy Conversion: Mitochondria and Chloroplasts. In: Anderson, M. and Granum, S. Molecular Biology of the Cell. 5th ed. US: Garland Science. p840-p841